FR547574A - Perfectionnements aux lampes - Google Patents

Perfectionnements aux lampes

Info

Publication number
FR547574A
FR547574A FR547574DA FR547574A FR 547574 A FR547574 A FR 547574A FR 547574D A FR547574D A FR 547574DA FR 547574 A FR547574 A FR 547574A
Authority
FR
France
Prior art keywords
refinements
lamp
lamp refinements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Jules Hamard
Marcel-Maurice Hamard
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR547574A publication Critical patent/FR547574A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V37/00—Details of lighting devices employing combustion as light source, not otherwise provided for
    • F21V37/0004—Details of lighting devices employing combustion as light source, not otherwise provided for using liquid fuel
    • F21V37/0075—Fastening or safety devices for reflectors, cover glasses or chimneys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
FR547574D 1921-11-22 1921-11-22 Perfectionnements aux lampes Expired FR547574A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR547574T 1921-11-22

Publications (1)

Publication Number Publication Date
FR547574A true FR547574A (fr) 1922-12-19

Family

ID=8934314

Family Applications (1)

Application Number Title Priority Date Filing Date
FR547574D Expired FR547574A (fr) 1921-11-22 1921-11-22 Perfectionnements aux lampes

Country Status (1)

Country Link
FR (1) FR547574A (fr)

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